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/*
 * Copyright (c) 2006 Hyperic, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.hyperic.sigar.shell;

import java.io.PrintStream;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;

import org.hyperic.sigar.util.PrintfFormat;

public class ShellCommand_help extends ShellCommandBase {
    
    public void processCommand(String[] args) 
        throws ShellCommandUsageException, ShellCommandExecException 
    {
        ShellCommandHandler handler;
        PrintStream out = this.getOutStream();
        int useArgs;

        if (args.length == 0) {
            PrintfFormat fmt = new PrintfFormat("\t%-14s - %s");
            Object[] fArgs = new Object[2];
            ArrayList cmdNamesList = new ArrayList();
            String[] cmdNames;
            Iterator i;

            i = itsShell.getCommandNameIterator();
            while (i.hasNext()) {
                cmdNamesList.add(i.next());
            }
            
            cmdNames = (String[])cmdNamesList.toArray(new String[0]);
            Arrays.sort(cmdNames);
            
            
            out.println("Available commands:");

            for (int j=0; j [command arguments]";
    }

    public String getUsageShort() {
        return "Gives help on shell commands";
    }

    public String getUsageHelp(String[] args) {
        return
            "    Displays help about the given command name.  If the \n" +
            "    command has arguments they may be entered for more " +
            "specific\n    help";
    }
}